Computer cooling fan



FIG. 1 is a perspective view of a computer cooling fan embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view thereof as viewed from the left hand end of FIG. 2;

FIG. 4 is a fragmentary side elevational view of one of the two identical sides thereof, the side wall being broken away to show the interior structure;

FIG. 5 is an end elevational view as viewed from the right hand end of FIG. 2; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a computer cooling fan, as shown and described. 